Abdomen exercise machine



FIG. 1 is a perspective view showing the new design for an abdomenexercise machine;

FIG. 2 is an enlarged front view thereof;

FIG. 3 is an enlarged rear view thereof;

FIG. 4 is a reduced scale right side view thereof;

FIG. 5 is a reduced scale left side view thereof;

FIG. 6 is an enlarged top view thereof; and,

FIG. 7 is an enlarged bottom view thereof.

Broken lines illustrate portions of the abdomen exercise machine outsidethe scope of the claimed design.

CLAIM The ornamental design for an abdomen exercise machine, as shownand described.